The TEFD4300F is a PIN photodiode manufactured by Vishay. It is designed for use in optical sensing applications and is designed to operate in the 60 volt voltage range with a power dissipation of 215 mW. The TEFD4300F features a viewing angle of 20°, and can handle overloads up to 400 mA. It has a high spectral response in the near infrared region, making it ideal for applications such as fiber optics, military, medical, and lighting control systems.